[R] Problem with r project in ubuntu xenial

[peter dalgaard]

> On 3 Nov 2017, at 23:39 , George Balas <gbalas07 at gmail.com> wrote:
> 
> I have a problem with R in Ubuntu 16.04. I do not know if it is mine pc or
> general problem but I was not able to find solution on Internet.
> First of all I can not change locale to greek by getting this message:
> "In Sys.setlocale("LC_CTYPE", "Greek") :
>  OS reports request to set locale to "Greek" cannot be honored"

The Greek locale is likely not called "Greek" outside of Windows. More likely "el_GR.UTF-8" or thereabouts (check your locale database, I'm on a Mac). These things are not standardized across platforms.

> Second and more serious is that I can not use some functions like
> graph_from_adjacency_matrix or print_all I get these messeges:
> "could not find function "graph_from_adjacency_matrix""
> "could not find function "print_all"".

Missing library(igraph)?

-pd

> I am using R version 3.4.2 (2017-09-28) -- "Short Summer" either on rstudio
> or ubuntu terminal.
> On my pc I also run win 10 with the same installs and I do not have the
> above problems, but I work on ubuntu and can not change Os all the time.
> Please help me.
> 
> Thank you for your time,
> George
> gbalas07 at gmail.com
> 
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> 
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-- 
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com